CPT112S datasheet(6/35 Pages) SILABS

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3.1.2 Power Consumption

See 3.4 Typical Performance Curves for power consumption plots.

Table 3.2. Power Consumption

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Active Mode Supply Current

IDD

—

3.1

—

Optimized Active Mode Supply

Current

IDD

—

180

—

µA

Sleep Mode Current1, 2

IDD

3 sensors or fewer

—

0.78

—

µA

4 sensors

—

0.79

—

µA

5 sensors

—

0.81

—

µA

6 sensors

—

0.82

—

µA

7 sensors

—

0.84

—

µA

10 sensors

—

0.88

—

µA

12 sensors

—

0.95

—

µA

System Current with Varying Scan

Time — Base with One Sensor1

IDD

Scan period = 10 ms

—

154

—

µA

Scan period = 20 ms

—

µA

Scan period = 50 ms

—

µA

Scan period = 75 ms

—

µA

Scan period = 100 ms

—

µA

System Current with Varying Scan

Time — Each Additional Sensor1

IDD

Scan period = 10 ms

—

µA

Scan period = 20 ms

—

µA

Scan period = 50 ms

—

µA

Scan period = 75 ms

—

µA

Scan period = 100 ms

—

µA

Note:

1. Measured with Free Run Mode disabled and sensors set to 4x accumulation, 8x gain.

2. Measured with scan period set to 250 ms.

CPT112S Data Sheet

Electrical Specifications

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